linux/sound/pci/oxygen/oxygen.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef OXYGEN_H_INCLUDED
   3#define OXYGEN_H_INCLUDED
   4
   5#include <linux/mutex.h>
   6#include <linux/spinlock.h>
   7#include <linux/wait.h>
   8#include <linux/workqueue.h>
   9#include "oxygen_regs.h"
  10
  11/* 1 << PCM_x == OXYGEN_CHANNEL_x */
  12#define PCM_A           0
  13#define PCM_B           1
  14#define PCM_C           2
  15#define PCM_SPDIF       3
  16#define PCM_MULTICH     4
  17#define PCM_AC97        5
  18#define PCM_COUNT       6
  19
  20#define OXYGEN_MCLKS(f_single, f_double, f_quad) ((MCLK_##f_single << 0) | \
  21                                                  (MCLK_##f_double << 2) | \
  22                                                  (MCLK_##f_quad   << 4))
  23
  24#define OXYGEN_IO_SIZE  0x100
  25
  26#define OXYGEN_EEPROM_ID        0x434d  /* "CM" */
  27
  28/* model-specific configuration of outputs/inputs */
  29#define PLAYBACK_0_TO_I2S       0x0001
  30     /* PLAYBACK_0_TO_AC97_0            not implemented */
  31#define PLAYBACK_1_TO_SPDIF     0x0004
  32#define PLAYBACK_2_TO_AC97_1    0x0008
  33#define CAPTURE_0_FROM_I2S_1    0x0010
  34#define CAPTURE_0_FROM_I2S_2    0x0020
  35     /* CAPTURE_0_FROM_AC97_0           not implemented */
  36#define CAPTURE_1_FROM_SPDIF    0x0080
  37#define CAPTURE_2_FROM_I2S_2    0x0100
  38#define CAPTURE_2_FROM_AC97_1   0x0200
  39#define CAPTURE_3_FROM_I2S_3    0x0400
  40#define MIDI_OUTPUT             0x0800
  41#define MIDI_INPUT              0x1000
  42#define AC97_CD_INPUT           0x2000
  43#define AC97_FMIC_SWITCH        0x4000
  44
  45enum {
  46        CONTROL_SPDIF_PCM,
  47        CONTROL_SPDIF_INPUT_BITS,
  48        CONTROL_MIC_CAPTURE_SWITCH,
  49        CONTROL_LINE_CAPTURE_SWITCH,
  50        CONTROL_CD_CAPTURE_SWITCH,
  51        CONTROL_AUX_CAPTURE_SWITCH,
  52        CONTROL_COUNT
  53};
  54
  55#define OXYGEN_PCI_SUBID(sv, sd) \
  56        .vendor = PCI_VENDOR_ID_CMEDIA, \
  57        .device = 0x8788, \
  58        .subvendor = sv, \
  59        .subdevice = sd
  60
  61#define BROKEN_EEPROM_DRIVER_DATA ((unsigned long)-1)
  62#define OXYGEN_PCI_SUBID_BROKEN_EEPROM \
  63        OXYGEN_PCI_SUBID(PCI_VENDOR_ID_CMEDIA, 0x8788), \
  64        .driver_data = BROKEN_EEPROM_DRIVER_DATA
  65
  66struct pci_dev;
  67struct pci_device_id;
  68struct snd_card;
  69struct snd_pcm_substream;
  70struct snd_pcm_hardware;
  71struct snd_pcm_hw_params;
  72struct snd_kcontrol_new;
  73struct snd_rawmidi;
  74struct snd_info_buffer;
  75struct oxygen;
  76
  77struct oxygen_model {
  78        const char *shortname;
  79        const char *longname;
  80        const char *chip;
  81        void (*init)(struct oxygen *chip);
  82        int (*control_filter)(struct snd_kcontrol_new *template);
  83        int (*mixer_init)(struct oxygen *chip);
  84        void (*cleanup)(struct oxygen *chip);
  85        void (*suspend)(struct oxygen *chip);
  86        void (*resume)(struct oxygen *chip);
  87        void (*pcm_hardware_filter)(unsigned int channel,
  88                                    struct snd_pcm_hardware *hardware);
  89        void (*set_dac_params)(struct oxygen *chip,
  90                               struct snd_pcm_hw_params *params);
  91        void (*set_adc_params)(struct oxygen *chip,
  92                               struct snd_pcm_hw_params *params);
  93        void (*update_dac_volume)(struct oxygen *chip);
  94        void (*update_dac_mute)(struct oxygen *chip);
  95        void (*update_center_lfe_mix)(struct oxygen *chip, bool mixed);
  96        unsigned int (*adjust_dac_routing)(struct oxygen *chip,
  97                                           unsigned int play_routing);
  98        void (*gpio_changed)(struct oxygen *chip);
  99        void (*uart_input)(struct oxygen *chip);
 100        void (*ac97_switch)(struct oxygen *chip,
 101                            unsigned int reg, unsigned int mute);
 102        void (*dump_registers)(struct oxygen *chip,
 103                               struct snd_info_buffer *buffer);
 104        const unsigned int *dac_tlv;
 105        size_t model_data_size;
 106        unsigned int device_config;
 107        u8 dac_channels_pcm;
 108        u8 dac_channels_mixer;
 109        u8 dac_volume_min;
 110        u8 dac_volume_max;
 111        u8 misc_flags;
 112        u8 function_flags;
 113        u8 dac_mclks;
 114        u8 adc_mclks;
 115        u16 dac_i2s_format;
 116        u16 adc_i2s_format;
 117};
 118
 119struct oxygen {
 120        unsigned long addr;
 121        spinlock_t reg_lock;
 122        struct mutex mutex;
 123        struct snd_card *card;
 124        struct pci_dev *pci;
 125        struct snd_rawmidi *midi;
 126        int irq;
 127        void *model_data;
 128        unsigned int interrupt_mask;
 129        u8 dac_volume[8];
 130        u8 dac_mute;
 131        u8 pcm_active;
 132        u8 pcm_running;
 133        u8 dac_routing;
 134        u8 spdif_playback_enable;
 135        u8 has_ac97_0;
 136        u8 has_ac97_1;
 137        u32 spdif_bits;
 138        u32 spdif_pcm_bits;
 139        struct snd_pcm_substream *streams[PCM_COUNT];
 140        struct snd_kcontrol *controls[CONTROL_COUNT];
 141        struct work_struct spdif_input_bits_work;
 142        struct work_struct gpio_work;
 143        wait_queue_head_t ac97_waitqueue;
 144        union {
 145                u8 _8[OXYGEN_IO_SIZE];
 146                __le16 _16[OXYGEN_IO_SIZE / 2];
 147                __le32 _32[OXYGEN_IO_SIZE / 4];
 148        } saved_registers;
 149        u16 saved_ac97_registers[2][0x40];
 150        unsigned int uart_input_count;
 151        u8 uart_input[32];
 152        struct oxygen_model model;
 153};
 154
 155/* oxygen_lib.c */
 156
 157int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
 158                     struct module *owner,
 159                     const struct pci_device_id *ids,
 160                     int (*get_model)(struct oxygen *chip,
 161                                      const struct pci_device_id *id
 162                                     )
 163                    );
 164void oxygen_pci_remove(struct pci_dev *pci);
 165#ifdef CONFIG_PM_SLEEP
 166extern const struct dev_pm_ops oxygen_pci_pm;
 167#endif
 168void oxygen_pci_shutdown(struct pci_dev *pci);
 169
 170/* oxygen_mixer.c */
 171
 172int oxygen_mixer_init(struct oxygen *chip);
 173void oxygen_update_dac_routing(struct oxygen *chip);
 174void oxygen_update_spdif_source(struct oxygen *chip);
 175
 176/* oxygen_pcm.c */
 177
 178int oxygen_pcm_init(struct oxygen *chip);
 179
 180/* oxygen_io.c */
 181
 182u8 oxygen_read8(struct oxygen *chip, unsigned int reg);
 183u16 oxygen_read16(struct oxygen *chip, unsigned int reg);
 184u32 oxygen_read32(struct oxygen *chip, unsigned int reg);
 185void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value);
 186void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value);
 187void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value);
 188void oxygen_write8_masked(struct oxygen *chip, unsigned int reg,
 189                          u8 value, u8 mask);
 190void oxygen_write16_masked(struct oxygen *chip, unsigned int reg,
 191                           u16 value, u16 mask);
 192void oxygen_write32_masked(struct oxygen *chip, unsigned int reg,
 193                           u32 value, u32 mask);
 194
 195u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec,
 196                     unsigned int index);
 197void oxygen_write_ac97(struct oxygen *chip, unsigned int codec,
 198                       unsigned int index, u16 data);
 199void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec,
 200                              unsigned int index, u16 data, u16 mask);
 201
 202int oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data);
 203void oxygen_write_i2c(struct oxygen *chip, u8 device, u8 map, u8 data);
 204
 205void oxygen_reset_uart(struct oxygen *chip);
 206void oxygen_write_uart(struct oxygen *chip, u8 data);
 207
 208u16 oxygen_read_eeprom(struct oxygen *chip, unsigned int index);
 209void oxygen_write_eeprom(struct oxygen *chip, unsigned int index, u16 value);
 210
 211static inline void oxygen_set_bits8(struct oxygen *chip,
 212                                    unsigned int reg, u8 value)
 213{
 214        oxygen_write8_masked(chip, reg, value, value);
 215}
 216
 217static inline void oxygen_set_bits16(struct oxygen *chip,
 218                                     unsigned int reg, u16 value)
 219{
 220        oxygen_write16_masked(chip, reg, value, value);
 221}
 222
 223static inline void oxygen_set_bits32(struct oxygen *chip,
 224                                     unsigned int reg, u32 value)
 225{
 226        oxygen_write32_masked(chip, reg, value, value);
 227}
 228
 229static inline void oxygen_clear_bits8(struct oxygen *chip,
 230                                      unsigned int reg, u8 value)
 231{
 232        oxygen_write8_masked(chip, reg, 0, value);
 233}
 234
 235static inline void oxygen_clear_bits16(struct oxygen *chip,
 236                                       unsigned int reg, u16 value)
 237{
 238        oxygen_write16_masked(chip, reg, 0, value);
 239}
 240
 241static inline void oxygen_clear_bits32(struct oxygen *chip,
 242                                       unsigned int reg, u32 value)
 243{
 244        oxygen_write32_masked(chip, reg, 0, value);
 245}
 246
 247static inline void oxygen_ac97_set_bits(struct oxygen *chip, unsigned int codec,
 248                                        unsigned int index, u16 value)
 249{
 250        oxygen_write_ac97_masked(chip, codec, index, value, value);
 251}
 252
 253static inline void oxygen_ac97_clear_bits(struct oxygen *chip,
 254                                          unsigned int codec,
 255                                          unsigned int index, u16 value)
 256{
 257        oxygen_write_ac97_masked(chip, codec, index, 0, value);
 258}
 259
 260#endif
 261